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I think your peek() method should have return type T rather than String. The user can always convert the object to a string if they don't desire the original object.
Also, traditionally dequeue also returns the object.
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Queues: A Tale of Two Stacks
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I think your peek() method should have return type T rather than String. The user can always convert the object to a string if they don't desire the original object.
Also, traditionally dequeue also returns the object.